78666 - U.S. Zip Code Map and Demographics

78666 Zip Code San Marcos Hays TX United States

All demographic data comes from the 2024 American Community Survey (5-year study).
Learn more about each field.

Median household: $54,737
Median individual: $26,552

Mode: 57.5% White

52.2% female

$1319 / month

Median house value: $301,523.0

Median: 26.9 years old

With at least college degree: 35.6%
With STEM degree: 41.8%

31.4% married

Never married: 55.1%

65.4% working

Unemployed: 5.2%

2.98 people

25.5 minutes

16.6% uninsured

23.8%